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11100022420 = 225555001121
BaseRepresentation
bin10100101011001110…
…01110011010010100
31001122120122120012111
422111213032122110
5140213101204140
65033240000404
7542032430254
oct122547163224
931576576174
1011100022420
114786745153
122199460104
13107b878406
147742a9964
1544e74a7ea
hex2959ce694

11100022420 has 12 divisors (see below), whose sum is σ = 23310047124. Its totient is φ = 4440008960.

The previous prime is 11100022403. The next prime is 11100022421. The reversal of 11100022420 is 2422000111.

It is a happy number.

11100022420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4740597904 + 6359424516 = 68852^2 + 79746^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11100022420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277500541 + ... + 277500580.

It is an arithmetic number, because the mean of its divisors is an integer number (1942503927).

Almost surely, 211100022420 is an apocalyptic number.

11100022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100022420 is an abundant number, since it is smaller than the sum of its proper divisors (12210024704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11100022420 is a wasteful number, since it uses less digits than its factorization.

11100022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555001130 (or 555001128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11100022420 its reverse (2422000111), we get a palindrome (13522022531).

The spelling of 11100022420 in words is "eleven billion, one hundred million, twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 555001121 1110002242 2220004484 2775005605 5550011210 11100022420